CVE-2023-20521
moderate-risk
Published 2023-11-14
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.
Do I need to act?
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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10
Low
PHYSICAL
/ HIGH complexity
Affected Products (20)
Affected Vendors
References (6)
39
/ 100
moderate-risk
Severity
9/34 · Low
Exploitability
0/34 · Minimal
Exposure
30/34 · Critical